sndmail.conf.example

### When unspecified either via the `-f` flag, or setting the `From:` header 
### in the message, the "from" email address. 
### Default: <username>@<hostname>
#from           = root@example.com

#### SMTP relay server hostname or IP.
#### Default: localhost
#smtp-host       = localhost

### SMTP relay server port.
### Default: 25
#smtp-port       = 25

### Use STARTTLS to connect to the SMTP server.
### Default: false
#starttls        = false

### Allow insecure STARTTLS (ie: do not validate the STL certificate).
### Default false
#allow-insecure  = false

### SMTP relay server authentication (none|plain|login|cram-md5).
### Default: none
#auth-type       = none

### SMTP relay authentication username. Only used if auth-type != none.
### Default: empty
#auth-user       = user

### SMTP relay authentication password. Only used if auth-type != none.
### Default: empty
#auth-pass       = password

### Log file - to log, get the absolute path to a logfile. The file must be
### writable by all users using sndmail otherwise logging will silently fail.
### Default: empty
#log-file        = /var/log/mail.log